Compression Algorithm of Road Traffic Spatial Data Based on LZW Encoding

Table 3

	The collection period of road traffic state data
	The th period collection of road traffic state data,
	The number of daily collected road traffic data
	The th road segment under mode
	The road traffic data on road segment at moment under mode
	The road traffic data onbase road segment at moment under mode
	The road traffic difference data between the training data on road segment and the base data on base road segment at moment under mode
	The road traffic difference data between the training data on road segment and the base data on base road segment at to time intervals under mode
	The road traffic difference data between the training data on road segment and the base data on base road segment after threshold processing to time intervals under mode
	The threshold of road traffic difference data at to time intervals under mode
	The data on the difference data between road segment and base road segment after LZW encoding at to time intervals under mode
	The th data on the difference data between road segment and base road segment after LZW encoding at to time intervals under mode
	The number of difference data between road segment and base road segment before LZW encoding at to time intervals under mode
	The number of difference data between road segment and base road segment after LZW encoding at to time intervals under mode